Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6886620 | Security bar assembly | John A. Lane | 2005-05-03 |
| 6868891 | Security bar transfer mechanism assembly | John A. Lane | 2005-03-22 |
| 6640871 | Security barrier endless drive loop lock | John A. Lane | 2003-11-04 |
| 6394167 | Security bar assembly | John A. Lane | 2002-05-28 |
| 6035917 | Foldable security bar assembly | — | 2000-03-14 |
| 5957181 | Security bar assembly | Lon McIlwraith | 1999-09-28 |